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Short-term effectiveness of the flexion-distraction technique in comparison with high-velocity vertebral manipulation in patients suffering from low-back pain

Journal: Complementary Therapies in Medicine Date: 2019/03, 44Pages: 61-67. doi: Subito , type of study: randomized controlled trial

Full text    (https://www.sciencedirect.com/science/article/abs/pii/S0965229918310136?via%3Dihub)

Keywords:

low-back pain [1]
spinal manipulation [74]
osteopathic manipulative treatment [2973]
OMT [2951]
myofascial trigger point [15]
randomized controlled trial [710]

Abstract:

Highlights •Patients with low back pain treated with Flexion-Distraction technique showed and improvement of at least 50% in pain.•Flexion-Distraction obtain better results in low back function than high velocity and low amplitud-spinal manipulation.•Flexion-Distraction technique could be an effective alternative of low back pain management. Design and methods A randomized controlled trial. The sample was composed of 150 patients suffering from CLBP, who were randomly assigned to either a FD (n = 75) or a HVLA-SM (n = 75) group. The variables used to study pain were the scores of the Visual Analogue Scale (VAS) and the Pressure Pain Threshold (PPT) on trigger points (TrPs) of the quadratus lumborum. In addition, the Oswestry Disability Index (ODI) was used to measure disability, and Schober’s test and the Finger Floor Distance test (FFDT) to measure changes in low-back spine motion. An Analysis of Covariance (ANCOVA) was used to measure group effect, and Number Needed to Treat (NNT) for effect size. Results Greater improvements occurred in the FD group, with a statistically significant group effect (p < 0.001) for all outcome variables. The ETA2 value was larger than 0.100 in the Schober’s and FDD tests, larger than 0.200 in the case of ODI and PPT, and larger than 0.300 for VAS. OR = 0.07 [IC 95% = 0.03 to 0.18] and NNT = 2.08 [IC 95% = 1.64–2.84) yielded improved values for the FD group. Conclusion For patients suffering from CLBP, greater improvements in pain and function were observed in the group receiving the modified FD treatment than in the HVLA-SM group.


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